Answers

Compare 84/64 and 20/81

1^st number: 1 20/64, 2^nd number: 20/81

84/64 is greater than 20/81

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 81 is 5184
   
   Next, find the equivalent fraction of both fractional numbers with denominator 5184
2. For the 1st fraction, since 64 × 81 = 5184,
   84/64 = 84 × 81/64 × 81 = 6804/5184
3. Likewise, for the 2nd fraction, since 81 × 64 = 5184,
   20/81 = 20 × 64/81 × 64 = 1280/5184
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 6804/5184 > 1280/5184 or 84/64 > 20/81

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